Home / 5,243.08-7,864.02-2,280.91

Finding the Fourth Proportional to 5,243.08, 7,864.02 and 2,280.91

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Solution

The fourth proportional to 5,243.08, 7,864.02 and 2,280.91 is: 3,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.08 : 7,864.02 = 2,280.91 : x
  2. Step 2: Convert to fraction form
    5,243.08/7,864.02 = 2,280.91/x
  3. Step 3: Cross multiply
    5,243.08x = 7,864.02 × 2,280.91
  4. Step 4: Simplify right side
    5,243.08x = 17,937,121.86
  5. Step 5: Solve for x
    x = 17,937,121.86/5,243.08
  6. Step 6: Final answer
    x = 3,421.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.